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1 /* | 1 /* |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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24 // thread. | 24 // thread. |
25 class AdaptedVideoTrackSource | 25 class AdaptedVideoTrackSource |
26 : public webrtc::Notifier<webrtc::VideoTrackSourceInterface> { | 26 : public webrtc::Notifier<webrtc::VideoTrackSourceInterface> { |
27 public: | 27 public: |
28 AdaptedVideoTrackSource(); | 28 AdaptedVideoTrackSource(); |
29 | 29 |
30 protected: | 30 protected: |
31 // Checks the apply_rotation() flag. If the frame needs rotation, and it is a | 31 // Checks the apply_rotation() flag. If the frame needs rotation, and it is a |
32 // plain memory frame, it is rotated. Subclasses producing native frames must | 32 // plain memory frame, it is rotated. Subclasses producing native frames must |
33 // handle apply_rotation() themselves. | 33 // handle apply_rotation() themselves. |
34 void OnFrame(const cricket::VideoFrame& frame); | 34 void OnFrame(const webrtc::VideoFrame& frame); |
35 | 35 |
36 // Reports the appropriate frame size after adaptation. Returns true | 36 // Reports the appropriate frame size after adaptation. Returns true |
37 // if a frame is wanted. Returns false if there are no interested | 37 // if a frame is wanted. Returns false if there are no interested |
38 // sinks, or if the VideoAdapter decides to drop the frame. | 38 // sinks, or if the VideoAdapter decides to drop the frame. |
39 bool AdaptFrame(int width, | 39 bool AdaptFrame(int width, |
40 int height, | 40 int height, |
41 int64_t time_us, | 41 int64_t time_us, |
42 int* out_width, | 42 int* out_width, |
43 int* out_height, | 43 int* out_height, |
44 int* crop_width, | 44 int* crop_width, |
45 int* crop_height, | 45 int* crop_height, |
46 int* crop_x, | 46 int* crop_x, |
47 int* crop_y); | 47 int* crop_y); |
48 | 48 |
49 // Returns the current value of the apply_rotation flag, derived | 49 // Returns the current value of the apply_rotation flag, derived |
50 // from the VideoSinkWants of registered sinks. The value is derived | 50 // from the VideoSinkWants of registered sinks. The value is derived |
51 // from sinks' wants, in AddOrUpdateSink and RemoveSink. Beware that | 51 // from sinks' wants, in AddOrUpdateSink and RemoveSink. Beware that |
52 // when using this method from a different thread, the value may | 52 // when using this method from a different thread, the value may |
53 // become stale before it is used. | 53 // become stale before it is used. |
54 bool apply_rotation(); | 54 bool apply_rotation(); |
55 | 55 |
56 cricket::VideoAdapter* video_adapter() { return &video_adapter_; } | 56 cricket::VideoAdapter* video_adapter() { return &video_adapter_; } |
57 | 57 |
58 private: | 58 private: |
59 // Implements rtc::VideoSourceInterface. | 59 // Implements rtc::VideoSourceInterface. |
60 void AddOrUpdateSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink, | 60 void AddOrUpdateSink(rtc::VideoSinkInterface<webrtc::VideoFrame>* sink, |
61 const rtc::VideoSinkWants& wants) override; | 61 const rtc::VideoSinkWants& wants) override; |
62 void RemoveSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink) override; | 62 void RemoveSink(rtc::VideoSinkInterface<webrtc::VideoFrame>* sink) override; |
63 | 63 |
64 // Part of VideoTrackSourceInterface. | 64 // Part of VideoTrackSourceInterface. |
65 bool GetStats(Stats* stats) override; | 65 bool GetStats(Stats* stats) override; |
66 | 66 |
67 void OnSinkWantsChanged(const rtc::VideoSinkWants& wants); | 67 void OnSinkWantsChanged(const rtc::VideoSinkWants& wants); |
68 | 68 |
69 rtc::ThreadChecker thread_checker_; | 69 rtc::ThreadChecker thread_checker_; |
70 | 70 |
71 cricket::VideoAdapter video_adapter_; | 71 cricket::VideoAdapter video_adapter_; |
72 | 72 |
73 rtc::CriticalSection stats_crit_; | 73 rtc::CriticalSection stats_crit_; |
74 rtc::Optional<Stats> stats_ GUARDED_BY(stats_crit_); | 74 rtc::Optional<Stats> stats_ GUARDED_BY(stats_crit_); |
75 | 75 |
76 VideoBroadcaster broadcaster_; | 76 VideoBroadcaster broadcaster_; |
77 }; | 77 }; |
78 | 78 |
79 } // namespace rtc | 79 } // namespace rtc |
80 | 80 |
81 #endif // WEBRTC_MEDIA_BASE_ADAPTEDVIDEOTRACKSOURCE_H_ | 81 #endif // WEBRTC_MEDIA_BASE_ADAPTEDVIDEOTRACKSOURCE_H_ |
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